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Pulse shape discrimination in hydrogen proportional counters by digital methods.

Hawkes, N P (2004) Pulse shape discrimination in hydrogen proportional counters by digital methods. NPL Report. DQL-RN 007

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Abstract

A fast digital sampler (waveform digitiser) has been used to measure the rise times and amplitudes of pulses from hydrogen - filled spherical proportional counters (type SP2). The rise time information allowed neutron events to be distinguished from gamma events, so that neutron data could be measured at energies below those possible with amplitude measurements alone. The associated electronics were considerably simpler than a conventional 2-parameter system. Some of the rise time distributions show interesting features that would be missed by systems that analyse only the pulse height.

Item Type: Report/Guide (NPL Report)
NPL Report No.: DQL-RN 007
Subjects: Ionising Radiation
Ionising Radiation > Radioactivity
Last Modified: 02 Feb 2018 13:16
URI: http://eprintspublications.npl.co.uk/id/eprint/3371

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